问题
单项选择题
It is believed that today’s pop music can serve as a creative force()stimulating the thinking of its listeners.
A. by
B. with
C. at
D. on
答案
参考答案：A
解析：
介词by常和动名词连用，说明方式、手段等。如：He taught himself to play the violin by practising all night. 他通过晚上整夜地练习，自学拉小提琴。Children can learn a lot by watching TV. 孩子们可以通过看电视学到好多东西。
